Police said the man in his 40s was driving on a dual carriageway when the tree fell on his van
Natural Resources Wales (NRW) has urged people to be vigilant and prepared for possible significant flooding in areas of south Wales on Saturday and into Sunday.
While rainfall totals are not expected to be as high as those experienced during Storm Bert last month, further heavy rain experienced in Wales this week means the ground is saturated and rivers could rise quickly, NRW said.
